==========================================================================
Ubuntu Security Notice USN-3399-1
August 21, 2017
cvs vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 17.04
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
cvs could be made run programs as your login if it opened a
specially crafted cvs repository.
Software Description:
– cvs: Concurrent Versions System
Details:
Hank Leininger discovered that cvs did not properly handle SSH
for remote repositories. A remote attacker could use this to
construct a cvs repository that when accessed could run arbitrary
code with the privileges of the user.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.04:
cvs 2:1.12.13+real-22ubuntu0.1
Ubuntu 16.04 LTS:
cvs 2:1.12.13+real-15ubuntu0.1
Ubuntu 14.04 LTS:
cvs 2:1.12.13+real-12ubuntu0.1
In general, a standard system update will make all the necessary
changes.
References:
https://www.ubuntu.com/usn/usn-3399-1
CVE-2017-12836
Package Information:
https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-22ubuntu0.1
https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-15ubuntu0.1
https://launchpad.net/ubuntu/+source/cvs/2:1.12.13+real-12ubuntu0.1
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